Fire extinguisher



FIG. 1 is a front perspective view of an extinguisher showing my new design;

FIG. 2 is a side elevational view thereof the opposite side being the mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

An ornamental design for a fire extinguisher, as shown and described. 